#453 Move to using a RecyclerView for directories

1 files changed, 95 insertions, 0 deletions

diff --git a/app/src/main/java/github/daneren2005/dsub/adapter/EntryInfiniteGridAdapter.java b/app/src/main/java/github/daneren2005/dsub/adapter/EntryInfiniteGridAdapter.java
new file mode 100644
index 00000000..3bc3f6aa
--- /dev/null
+++ b/app/src/main/java/github/daneren2005/dsub/adapter/EntryInfiniteGridAdapter.java
@@ -0,0 +1,95 @@
+/*
+  This file is part of Subsonic.
+	Subsonic is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	Subsonic is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+	You should have received a copy of the GNU General Public License
+	along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
+	Copyright 2015 (C) Scott Jackson
+*/
+
+package github.daneren2005.dsub.adapter;
+
+import android.content.Context;
+
+import java.util.List;
+
+import github.daneren2005.dsub.domain.MusicDirectory;
+import github.daneren2005.dsub.domain.MusicDirectory.Entry;
+import github.daneren2005.dsub.domain.ServerInfo;
+import github.daneren2005.dsub.service.MusicService;
+import github.daneren2005.dsub.service.MusicServiceFactory;
+import github.daneren2005.dsub.util.ImageLoader;
+import github.daneren2005.dsub.util.SilentBackgroundTask;
+
+public class EntryInfiniteGridAdapter extends EntryGridAdapter {
+	private String type;
+	private String extra;
+	private int size;
+
+	private boolean loading = false;
+	private boolean allLoaded = false;
+
+	public EntryInfiniteGridAdapter(Context context, List<Entry> entries, ImageLoader imageLoader, boolean largeCell) {
+		super(context, entries, imageLoader, largeCell);
+	}
+
+	public void setData(String type, String extra, int size) {
+		this.type = type;
+		this.extra = extra;
+		this.size = size;
+	}
+
+	public void loadMore() {
+		if(loading || allLoaded) {
+			return;
+		}
+		loading = true;
+
+		new SilentBackgroundTask<Void>(context) {
+			private List<Entry> newData;
+
+			@Override
+			protected Void doInBackground() throws Throwable {
+				newData = cacheInBackground();
+				if(newData.isEmpty()) {
+					allLoaded = true;
+				}
+				return null;
+			}
+
+			@Override
+			protected void done(Void result) {
+				appendCachedData(newData);
+				loading = false;
+			}
+		}.execute();
+	}
+
+	protected List<Entry> cacheInBackground() throws Exception {
+		MusicService service = MusicServiceFactory.getMusicService(context);
+		MusicDirectory result;
+		int offset = entries.size();
+		if(("genres".equals(type) && ServerInfo.checkServerVersion(context, "1.10.0")) || "years".equals(type)) {
+			result = service.getAlbumList(type, extra, size, offset, context, null);
+		} else if("genres".equals(type) || "genres-songs".equals(type)) {
+			result = service.getSongsByGenre(extra, size, offset, context, null);
+		} else {
+			result = service.getAlbumList(type, size, offset, context, null);
+		}
+		return result.getChildren();
+	}
+
+	protected void appendCachedData(List<Entry> newData) {
+		if(newData.size() > 0) {
+			int start = entries.size();
+			entries.addAll(newData);
+			this.notifyItemRangeInserted(start, newData.size());
+		}
+	}
+}